• Implement stepper motor driver and buzzer driver for Pet Automatic Peritoneal Dialysis Machine
• Porting entirely audio function from user to kernel space including media framework, AudioFlinger, AudioService, Audio HAL, ALSA interface, and kernel codec drivers
• Coordinated with HW to handle CTS audio certification and tune acoustic DSP audio/voice sound qualities like echo cancellation, noise suppression and Dynamic Range Compensation
1. Implement TI Smart Amp lm48901 drivers on Intel CherryTrail platform
2. Porting audio CODEC rt5672 drivers on Intel CherryTrail platform
3. Porting audio CODEC rt5640 drivers on Intel BayTrail platform